(:*******************************************************:)
(: Test: K-FilterExpr-84                                 :)
(: Written by: Frans Englich                             :)
(: Date: 2007-11-22T11:31:20+01:00                       :)
(: Purpose: Type related predicate tests.                :)
(:*******************************************************:)
empty((1, 2, 3)[remove((false(), "a string"), 2)])